/*
 * RfbItalcCursor.cpp - iTALC cursor rectangle encoding
 *
 * Copyright (c) 2010-2017 Tobias Doerffel <tobydox/at/users/dot/sf/dot/net>
 *
 * This file is part of iTALC - http://italc.sourceforge.net
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

#include "ItalcVncConnection.h"
#include "RfbItalcCursor.h"
#include "SocketDevice.h"
#include "VariantStream.h"

#include <rfb/rfb.h>
#include <rfb/rfbclient.h>


static rfbBool handleEncodingItalcCursor( rfbClient *c,
										rfbFramebufferUpdateRectHeader *r )
{
	ItalcVncConnection *t = (ItalcVncConnection *) rfbClientGetClientData( c, nullptr );
	if( r->encoding != rfbEncodingItalcCursor || t == nullptr )
	{
		return false;
	}

	SocketDevice socketDevice( ItalcVncConnection::libvncClientDispatcher, c );

	QImage cursorShape( VariantStream( &socketDevice ).read().value<QImage>() );

	t->cursorShapeUpdatedExternal( cursorShape, r->r.x, r->r.y );

	return true;
}




static rfbClientProtocolExtension * __italcCursorProtocolExt = nullptr;


RfbItalcCursor::RfbItalcCursor()
{
	if( __italcCursorProtocolExt == nullptr )
	{
		__italcCursorProtocolExt = new rfbClientProtocolExtension;
		__italcCursorProtocolExt->encodings = new int[2];
		__italcCursorProtocolExt->encodings[0] = rfbEncodingItalcCursor;
		__italcCursorProtocolExt->encodings[1] = 0;
		__italcCursorProtocolExt->handleEncoding = handleEncodingItalcCursor;
		__italcCursorProtocolExt->handleMessage = nullptr;

		rfbClientRegisterExtension( __italcCursorProtocolExt );
	}
}


